Identificaciones de ernesthwilliams

Found living inside a croaker's mouth. There was also a larger individual in the same croaker's mouth, posted as a separate observation. Any ideas what it is?

It was living in a croaker's mouth. I'm not sure what it is besides an arthropod, any ideas?
There was also a smaller one inside the same fish that I will post separately.

Found living inside a croaker's mouth. There was also a larger individual in the same croaker's mouth, posted as a separate observation. Any ideas what it is?

Found in a fish's mouth. It had eaten the toungue of the fish (a croaker fish) and replaced it

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